Launched in 2022 with the completion of the SDF-3, the Pioneer Expedition was the Robotech Expeditionary Force's original mission to explore the reaches of space for the purposes of human colonization while searching for the homeworld of the Robotech Masters to lead the Robotech Wars away from the Earth.
The Pioneer Expedition was led by the SDF-3.
The Pioneer Expedition embarked into the far reaches of deep space in search of the homeworld of the Robotech Masters.